Eppendorf Adapter, for 1 vial 180 - 250 mL flat/175 - 225 mL conical (Please note S

Adapter, for 1 bottle 180 - 250 mL flat/175 - 225 mL conical (Please note that these conical bottles must be used together with the conical mold inserts provided by the manufacturer.), for 500 mL rectangular cups in rotor A-4-81 and rotor S-4x500, Please note that these conical bottles must be used together with the conical mold inserts provided by the manufacturer., 2 pcs